<template>
  <div>
<!--
    <h1>搜索组件: 基础知识练习</h1>
    <h1>{{this.$route.params.keyword}}-&#45;&#45;(右侧为第一种: bool型的写法, 但props只能传params参数的数据)-&#45;&#45;{{keyword}}</h1>
    <h1>第二种: 对象形式, 额外给路由组件传递一些数据 &#45;&#45;{{a}}&#45;&#45;&#45;&#45;{{b}}</h1>
    <h1>第三种: 函数形式 &#45;&#45;{{keyword}}&#45;&#45;&#45;&#45;{{k}}</h1>
    <h1>{{this.$route.query.k}}</h1>
-->
    <typeNavMenu/>
    <div class="main">
      <div class="py-container">
        <!--bread-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a>全部结果(查询条件)：</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <li class="with-x" v-show="paramObj.categoryName">
              {{paramObj.categoryName}}
              <i @click="removePartParam('category')">×</i>
            </li>
            <li class="with-x" v-show="paramObj.keyword">
              {{paramObj.keyword}}
              <i @click="removePartParam('keyword')">×</i>
            </li>
            <li class="with-x" v-show="paramObj.trademark">
              {{paramObj.trademark.split(':')[1]}}
              <i @click="removePartParam('trademark')">×</i>
            </li>
            <li class="with-x" v-show="paramObj.props.length" v-for="(eachStr, index) in paramObj.props" :key="index">
              {{eachStr.split(':')[1]}}
              <i @click="removeAttr(index)">×</i>
            </li>
          </ul>
        </div>

        <!--selector-->
        <SearchSelector @toSelectBrand="selectBrand" ref="search_selector" @toGetAttr="getAttr" />

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li :class="{active: paramObj.order.split(':')[0] === '1'}" @click="handleOrderParam('default')">
                  <a>综合<span v-show="!isPriceOrder">{{paramObj.order.split(':')[1] ==='desc' ? '↓' : '↑'}}</span></a>
                </li>
                <li :class="{active: isPriceOrder}" @click="handleOrderParam('price')">
                  <a>价格<span v-show="isPriceOrder">{{paramObj.order.split(':')[1] ==='desc' ? '↓' : '↑'}}</span></a>
                </li>
              </ul>
            </div>
          </div>
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="(goods) in goodsList" :key="goods.id" @click="goDetailPage(goods.id)">
                <div class="list-wrap">
                  <div class="p-img">
                    <a>
                      <!--   图片懒加载                   -->
<!--                      <img :src="goods.defaultImg"/>-->
                      <img v-lazy ="goods.defaultImg" />
                    </a>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i style="margin-left: 5px">{{goods.price}}.00</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a :title="goods.title">
                      {{goods.title}}
                    </a>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a class="sui-btn btn-bordered btn-danger">加入购物车</a>
                    <a class="sui-btn btn-bordered">收藏</a>
                  </div>
                </div>
              </li>
            </ul>
          </div>

          <!-- 分页组件         -->
          <Pagination
              :pageNo="paramObj.pageNo"
              :pageSize="paramObj.pageSize"
              :total="searchList.total"
              :continues="5"
              @getPageNo="handlePaginationNo"
          />
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import SearchSelector from './SearchSelector/SearchSelector';
import {mapState, mapGetters, } from 'vuex';
export default {
  name: "search",
  props: ['keyword', 'a', 'b', 'k'],
  components: {
    SearchSelector
  },

  data(){
    return {
      paramObj: {
        //产品相应的id
        category1Id: "",
        category2Id: "",
        category3Id: "",
        //产品的名字
        categoryName: "",
        //搜索的关键字
        keyword: "",
        //排序:初始状态应该是综合且降序
        order: "1:desc",
        //第几页
        pageNo: 1,
        //每一页展示条数
        pageSize: 9,
        //平台属性的操作
        props: [],
        //品牌
        trademark: "",
      },
    }
  },



  beforeMount(){
    // 也可以在created里面写如下代码:
    // 在发请求之前，把接口需要传递参数，进行整理（在给服务器发请求之前，把参数整理好，服务器就会返回查询的数据）
    // Object.assign是es6的新语法, 用于合并对象。如此例: 将后两者给第一个进行合并, 这样就修改了对象的属性值
    Object.assign(this.paramObj, this.$route.query, this.$route.params);
  },

  mounted(){
    this._getData(this.paramObj);
  },

  methods: {
    _getData(params){
      this.$store.dispatch('getSearchList', params);
    },

    removePartParam(typeName){
      // console.log('removePartParam')
      if (['category', 'keyword'].includes(typeName)){
        if (typeName === 'category'){
          // 若将属性值设置为undefined, 则发起请求时不会带上该参数.
          this.paramObj.categoryName = undefined;
          this.paramObj.category1Id = undefined;
          this.paramObj.category2Id = undefined;
          this.paramObj.category3Id = undefined;
        } else {
          this.paramObj.keyword = undefined;
          this.$bus.$emit('clearKeyword');
        }

        // this._getData(this.paramObj);
        // 跳转自己的页面，则会mounted自动发起请求, 执行this._getData(this.paramObj);
        this.$router.push({
          name: 'search',
          params: {
            keyword: this.paramObj.keyword,
          },
          query: {
            // 注意: undefined在此处是有重要意义的。若是前者为false, 则会使用undefined。一旦是undefined, 则不会在path显示。
            categoryName: this.paramObj.categoryName || undefined,
            category1Id: this.paramObj.category1Id || undefined,
            category2Id: this.paramObj.category2Id || undefined,
            category3Id: this.paramObj.category3Id || undefined,
          }
        })
      } else {
        this.paramObj[typeName] = '';
        this._getData(this.paramObj);
        // this.$refs.search_selector.clearBrand();
      }
    },


    removeAttr(index){
      // console.log('下标', index);
      this.paramObj.props.splice(index, 1);
      this._getData(this.paramObj)
    },


    selectBrand(brand){
      // console.log(brand)
      this.paramObj.trademark = `${brand.tmId}:${brand.tmName}`;
      this._getData(this.paramObj)
    },

    getAttr(item, cItem){
      // 参数类型: ["属性ID:属性值:属性名"]
      let eachStr = `${item.attrId}:${cItem}:${item.attrName}`;

      if(!this.paramObj.props.includes(eachStr)){
        // 有了重复值, 则不插入
        this.paramObj.props.push(eachStr);
        this._getData(this.paramObj);
      }
    },


    handleOrderParam(keyName){
      if (keyName === 'default'){
        if (this.paramObj.order === '1:desc'){
          this.paramObj.order = '1:asc';
        } else {
          this.paramObj.order = '1:desc';
        }
      } else if (keyName === 'price'){
        if (this.paramObj.order === '2:desc'){
          this.paramObj.order = '2:asc';
        } else {
          this.paramObj.order = '2:desc';
        }
      }

      this._getData(this.paramObj)
    },


    handlePaginationNo(pageNo){
      //整理带给服务器参数
      this.paramObj.pageNo = pageNo;
      //再次发请求
      this._getData(this.paramObj);
    },


    goDetailPage(id){
      this.$router.push({
        name: 'detail',
        params: {
          // 必须匹配上
          skuId: id
        }
      })
    },

  },

  computed: {
    ...mapState({
      searchList: (state) => state.search.searchList,
    }),

    ...mapGetters(['goodsList']),

    isPriceOrder(){
      return this.paramObj.order.split(':')[0] === '2';
    }
  },

  watch: {
    // 监听路由的变化
    $route(newVal, oldVal){
      // console.log('监听')
      // 再次合并参数
      Object.assign(this.paramObj, this.$route.query, this.$route.params);
      this._getData(this.paramObj);
      // 由于下一次点击的分类是未知的, 因此需要将请求参数进行置空。
      this.paramObj.category1Id = undefined;
      this.paramObj.category2Id = undefined;
      this.paramObj.category3Id = undefined;
    },
  },
}
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;
      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    vertical-align: middle;
                    width: 215px;
                    height: 255px;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 750px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          line-height: 38px;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            //vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                  border-left: 1px solid #e0e9ee;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>
